230305961 has 2 divisors, whose sum is σ = 230305962. Its totient is φ = 230305960.

The previous prime is 230305931. The next prime is 230306009. The reversal of 230305961 is 169503032.

230305961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162078361 + 68227600 = 12731^2 + 8260^2 .

It is a cyclic number.

It is not a de Polignac number, because 230305961 - 2¹⁸ = 230043817 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (230305931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115152980 + 115152981.

It is an arithmetic number, because the mean of its divisors is an integer number (115152981).

Almost surely, 2^230305961 is an apocalyptic number.

It is an amenable number.

230305961 is a deficient number, since it is larger than the sum of its proper divisors (1).

230305961 is an equidigital number, since it uses as much as digits as its factorization.

230305961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 230305961 is about 15175.8347711090. The cubic root of 230305961 is about 612.9641283463.

Adding to 230305961 its reverse (169503032), we get a palindrome (399808993).

The spelling of 230305961 in words is "two hundred thirty million, three hundred five thousand, nine hundred sixty-one".